Pudong new district, Shanghai, China.
Fullerene, any of a series of hollow carbon molecules that form either a closed cage ('buckyballs') or a cylinder (carbon 'nanotubes'). The first fullerene was discovered in 1985 by Sir Harold W. Kroto, Richard E. Smalley, and Robert F. Curl, Jr., for which the trio won the 1996 Nobel Prize for Chemistry.
The coefficient of restitution is defined as the ratio of the final velocity to the initial velocity between two objects after their collision. Another way of saying this is that the coefficient of restitution is the ratio of the velocity components along the normal plane of contact after and before the collision.
The ball valve is an inexpensive alternative to other valves. Ball valves use a metal ball with a hole bored through the center, sandwiched between two seats to control flow. Used in many hydrocarbon process applications, ball valves are capable of throttling gases and vapors and are especially useful for low flow situations.
pom-pom: [noun] an ornamental ball or tuft used especially on clothing, caps, or costumes.
A retaining wall is a structure that retains (holds back) any material (usually earth) and prevents it from sliding or eroding away. It is designed so that to resist the material pressure of the material that it is holding back. An earth retaining structure can be considered to have the following types: Pre-stressed retaining wall Gravity Walls Reinforced Gravity Walls Concrete Cantilever ...
The youth volleyball ball for indoor use is 63 to 65-centimeters or 25 to 26-inches in circumference. They weigh 9.2 to 9.9 ounces, or 260-280-grams. Internal pressure of these balls are set at 4.3 psi or 0.30-kgf-per-centimeter-squared. The adult indoor volleyball ball is 65 to 67-centimeters or 25.5 to 26.5-inches in circumference. They weigh ...
ball meaning: 1. any object in the shape of a sphere, especially one used as a toy by children or in various…. Learn more.
Definition of WRECKING BALL in the Definitions.net dictionary. Meaning of WRECKING BALL. What does WRECKING BALL mean? Information and translations of WRECKING BALL in the most comprehensive dictionary definitions resource on the web.
(He splashed the ball out of the bunker, landing the ball within a foot of the hole). Spoon: A term for a 3-wood that is seldom used today. ( He reached the par 5 with a driver and a spoon ).
A ball mill also known as pebble mill or tumbling mill is a milling machine that consists of a hallow cylinder containing balls; mounted on a metallic frame such that it can be rotated along its longitudinal axis. The balls which could be of different diameter occupy 30 – 50 % of the mill volume and its size depends on the feed and mill size.
While floor hockey and lacrosse both begin with a face-off, basketball uses a jump ball. The concept is very similar - two opposing players are vying for control of the ball or puck ...
Definition of ball and chain in the Idioms Dictionary. ball and chain phrase. What does ball and chain expression mean? Definitions by the largest Idiom Dictionary. ... The term has latterly been used with wry misogynistic humour to refer to a wife. See also: and, ball, chain.
Everyday Uses for the Exercise Ball. Lifting objects is a frequent cause of low back injury and muscle strain, and certain exercises with the Swiss exercise ball can be a useful tool in teaching the proper body mechanics and posture while lifting.
The Pith-ball electroscope is used to detect static electric charges and to determine the polarity of unknown charges. As shown in the figure, the pith-ball A is made up of molecules consisting of positive and negative charges close together. Here, bringing a charged object B close to the pith-ball A makes the charges inside it to separate ...
If the ball dribbles over, it's playable just like any other ball that contacts the net on the way over. If the ball fails to clear the net, it will become dead when it either hits the serving team's court, or is contacted by a player on the serving team. MIDDLE-BACK – A defensive system that uses the middle back player to cover deep spikes.
Fly ball - A baseball that is hit high into the air. Foul ball-A baseball that is hit outside the field of fair play. Full count - When the pitch count has 3 balls and 2 strikes. The next strike or ball will end the at bat. If the batter hits the baseball foul, then the count remains 3 and 2. Ground ball - …
Harvey Balls are used for depicting visualizations related to the moon cycles and the weather. Of course, Harvey Balls have also evolved into various other uses. For example, IBM used Harvey Balls in its Lotus Notes software to show whether the recipient was copied, a sole recipient, etc.
Early uses of baller referred to someone who partakes in a formal ball in the late 17th century, historically associated with a group of libertines during the English Restoration. Baller was also used as an occasional slang term for a hedonist in the mid-20th century. A baller, less excitingly, is also the name of a tool that shapes things into balls. ...
The ball bearing is the most common type of bearing. It consists of small metal balls that are located between two metal rings which are known as Races.Balls are also kept in position using an assembly called Cage.Since sliding friction is very high compare to rolling friction ball bearing provides less energy loss.
There are different ball valve types with various designs for specific uses, but basic ball valve parts are the same among them. Different ball valves can be classified based on different features such as: Number of Ports: Ball valves can be easily categorized based on the number of ports. A standard ball valve type has 2 ports (1 inlet and 1 ...
Define balls. balls synonyms, balls pronunciation, balls translation, English dictionary definition of balls. n. 1. a. A spherical object or entity: a steel ball. b. A spherical or almost spherical body: a ball of flame. 2. Sports a. Any of various movable and round...
Directory: Techniques → Offensive Techniques → Energy Wave The Kamehameha (かめはめは, Kamehameha) is the first energy attack shown in the Dragon Ball series. The Kamehameha is the most widely used finishing attack in the Dragon Ball series, and is Goku's signature technique. It is also a signature attack of the students of the Turtle School. Akira Toriyama actually tried a number ...
Definition of ball written for English Language Learners from the Merriam-Webster Learner's Dictionary with audio pronunciations, usage examples, and count/noncount noun labels.
The Volleyball Set Definition Setting Terms and Vocabulary For Setters A set is an overhand contact of the ball, usually the second contact in a rally, made after a pass in serve receive or a dig in defense to redirect the ball to a hitter in the front row or back row by a setter to run the team's offense.
Volleyball, game played by two teams, usually of six players on a side, in which the players use their hands to bat a ball back and forth over a high net, trying to make the ball touch the court within the opponents' playing area before it can be returned. Learn more about volleyball in this article.
bas·ket·ball (băs′kĭt-bôl′) n. 1. A game played between two teams of five players each, the object being to throw a ball through an elevated basket on the opponent's side of a rectangular court. Players may move the ball by dribbling or passing with the hands. 2. The inflated, spherical ball used in this game. American Heritage® Dictionary of ...
Each batted ball is assigned an xBA based on how often comparable balls -- in terms of exit velocity, launch angle and, on certain types of batted balls, Sprint Speed -- have become hits since Statcast was implemented Major League wide in 2015. By comparing expected numbers to real-world outcomes over a period of time, it can be possible to ...
If the ball is muffed after simultaneous touching by two such players, all the players of the passing team become eligible to catch the loose ball. If a player, who is in possession of the ball, is held up and carried out of bounds by an opponent before both feet or any part of his body other than his hands touches the ground inbounds, it is a ...
A Poké Ball (Japanese: モンスターボール Monster Ball) is a type of item that is critical to a Trainer's quest, used for catching and storing Pokémon.Both a general term used to describe the various kinds as well as a specific term to refer to the most basic among these variations, Poké Balls are ubiquitous in the modern Pokémon world.
Here we cover the definition, common types, sizes, and uses for bore gauges. Here we cover the definition, common types, sizes, and uses for bore gauges. ... and can be used to see if a bore's shape is off. Half ball gauges are used when the measurement needs to be made near the bottom of a hole. Bore Gauge Sizes. Bore gauge measurement sizes ...
Harvey Balls are round ideograms used for visual communication of qualitative information. They are commonly used in comparison tables to indicate the degree to which a particular item meets a particular criterion. For example, in a comparison of products, information such as price or weight can be conveyed numerically, and information such as the existence or lack of a feature can be conveyed ...
crystal ball 1. A glass or crystal orb used by fortune-tellers and mystics in popular culture to see into the future. The soothsayer, peering into her crystal ball, foretold that I would come to possess a great fortune by the year's end. 2. By extension, any figurative means of predicting future events. She must have some kind of crystal ball for the ...
A ball-peen or ball pein hammer, also known as a machinist's hammer, is a type of peening hammer used in metalworking.It has two heads, one flat and the other, called the peen, rounded. It is distinguished from a cross-peen hammer, diagonal-peen hammer, point-peen hammer, or chisel-peen hammer by having a hemispherical peen.
We use the force of push when we kick a soccer ball, press the gas peddle of a car, push our chair in, and press the buttons on a phone. A push and …
MUKTI is a leading and pioneering enterprise with the most advanced international level in R&D ...